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Rocky Mountain Maple (Acer glabrum var. diffusum)
Trees Around Las Vegas, Vegetation Around Las Vegas
Rocky Mountain Maple (Acer glabrum var. diffusum)
Maple tree along Mary Jane Falls Trail

General: Rocky Mountain Maple (Acer glabrum var. diffusum) is a modest tree of damp places in the mountains. The leaves are palmate with three lobes, and each lobed is is slightly notched. Young stems are red; older are gray. Seeds are produced with wings that catch the wind.

Rocky Mountain Maples are found along washes, rivers, and other damp areas in the Upper Sonoran (Pinyon-Juniper Woodland), Transition (Yellow Pine Forest), and Canadian (Pine-Fir Forest) life zones.

Around Las Vegas, Rocky Mountain Maple can most easily be found in moist canyons on Mt. Charleston and other places in the Spring Mountains.
Rocky Mountain Maple (Acer glabrum var. diffusum)

Family: Maple (Aceraceae).

Other Names:

Plant Form: Upright to scraggly, branching shrub to tree.

Height: 6 to 20 ft.

Rocky Mountain Maple (Acer glabrum var. diffusum)

Trunk: silver-gray

Leaves: Palmately lobed with 3 leaflets (leaflets not deeply notched), to about 2-inches wide. Teeth on margin few and blunt

Flowers: Blooms during the spring. Flowers not showy.

Seeds: Seeds hang from small branchlets; each seed has a wing (sumara) that catches in the wind.

Rocky Mountain Maple (Acer glabrum var. diffusum)

Distribution: California, Nevada, Utah, and Arizona.

Habitat: Moist canyons, springs.

Elevation: About 5,000 to 9,000 feet.

Comments:

Rocky Mountain Maple (Acer glabrum var. diffusum) Rocky Mountain Maple (Acer glabrum var. diffusum)
Rocky Mountain Maple (Acer glabrum var. diffusum) Rocky Mountain Maple (Acer glabrum var. diffusum)
Rocky Mountain Maple (Acer glabrum var. diffusum) Rocky Mountain Maple (Acer glabrum var. diffusum)
Rocky Mountain Maple (Acer glabrum var. diffusum)
Young (red) stems and leaves
Rocky Mountain Maple (Acer glabrum var. diffusum)
Older (gray) stems and leaves
Rocky Mountain Maple (Acer glabrum var. diffusum)
Young (red) stems and leaves
Rocky Mountain Maple (Acer glabrum var. diffusum)
Leaves and fruits
Rocky Mountain Maple (Acer glabrum var. diffusum)
Deformed fruit (bi-winged sumara)
Rocky Mountain Maple (Acer glabrum var. diffusum)
Deformed fruit (bi-winged sumara)
Rocky Mountain Maple (Acer glabrum var. diffusum)
Winter fruit still holding on
Rocky Mountain Maple (Acer glabrum var. diffusum)
Winter leaf still holding on
Rocky Mountain Maple (Acer glabrum var. diffusum)
Tree during winter: leaves have fallen
Rocky Mountain Maple (Acer glabrum var. diffusum)
Leaves and developing fruit (bi-winged sumara)
Rocky Mountain Maple (Acer glabrum var. diffusum)
Leaves and developing fruit (bi-winged sumara)
Rocky Mountain Maple (Acer glabrum var. diffusum)
Leaves and developing fruit (bi-winged sumara)
Rocky Mountain Maple (Acer glabrum var. diffusum) Rocky Mountain Maple (Acer glabrum var. diffusum)
Rocky Mountain Maple (Acer glabrum var. diffusum) Rocky Mountain Maple (Acer glabrum var. diffusum)
Rocky Mountain Maple (Acer glabrum var. diffusum) Rocky Mountain Maple (Acer glabrum var. diffusum)

Note: All distances, elevations, and other facts are approximate. Names generally follow the USDA database.
copyright; Last updated 101104

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